The Rochelle plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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87° on Nov. 11, 2020, the hottest reading for this week of the year since 1892. Next is 86° in 1958.
Rochelle’s center stands about 390 ft above sea level. Within three miles the land runs from 300 ft to 410 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Neogene undifferentiated (sandstone, claystone), from the Tertiary Neogene, 2.6 to 23 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, claystone. Age: Tertiary Neogene, 2.6 to 23 million years old. About 24 mi of the line.
Fine-detrital. Age: Quaternary, less than 2.6 million years old. About 0.4 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Rochelle reaches the Gulf of America by way of Reynolds Creek, Mill Creek, the Alapaha and the Suwannee: about 320 river miles.
180 miles of the trip are on the Alapaha.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Rochelle; river miles along the main stem, rounded.
Rochelle has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 36° in January. About 50 inches of rain fall in a normal year.
On November 14 Rochelle normally reaches 69° and falls to 44°. The record high is 83°, in 1955; the record low 26°, in 1984. The most rain on this date, 1.25 in, fell in 2008.
Normals 1991–2020 and records since 1892 at Cordele, 19 miles west. NOAA, through RCC-ACIS.
